Overview

• Charles Oliveira and short-notice replacement Mateusz Gamrot both weighed 156 pounds to make the UFC Rio main event official after Rafael Fiziev’s withdrawal.
• Deiveson Figueiredo and Montel Jackson each hit 136 pounds to finalize the bantamweight co-main event in Rio de Janeiro.
• Saimon Oliveira came in eight pounds over the bantamweight limit at 144 pounds, with his bout against Luan Lacerda expected to proceed at catchweight and include a purse penalty.
• Valter Walker vs. Mohammed Usman was canceled during fight week, with the UFC citing medical issues, as a report from Laerte Viana alleges a September sample showed elevated testosterone for Usman; the claim has not been confirmed by the promotion or testing authorities.
• Walker stepped on the scale despite the cancellation and accused Usman of avoiding the fight, while Oliveira enters his homecoming one finish away from tying Mirko Cro Cop’s Zuffa-era mark.